/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim:set ts=2 sw=2 sts=2 et cindent: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef DecoderTraits_h_ #define DecoderTraits_h_ #include "nsCOMPtr.h" class nsAString; class nsACString; namespace mozilla { class AbstractMediaDecoder; class DecoderDoctorDiagnostics; class MediaContentType; class MediaDecoder; class MediaDecoderOwner; class MediaDecoderReader; enum CanPlayStatus { CANPLAY_NO, CANPLAY_MAYBE, CANPLAY_YES }; class DecoderTraits { public: // Returns the CanPlayStatus indicating if we can handle this content type. static CanPlayStatus CanHandleContentType(const MediaContentType& aContentType, DecoderDoctorDiagnostics* aDiagnostics); // Returns true if we should handle this MIME type when it appears // as an <object> or as a toplevel page. If, in practice, our support // for the type is more limited than appears in the wild, we should return // false here even if CanHandleMediaType would return true. static bool ShouldHandleMediaType(const char* aMIMEType, DecoderDoctorDiagnostics* aDiagnostics); // Create a decoder for the given aType. Returns null if we // were unable to create the decoder. static already_AddRefed<MediaDecoder> CreateDecoder(const nsACString& aType, MediaDecoderOwner* aOwner, DecoderDoctorDiagnostics* aDiagnostics); // Create a reader for thew given MIME type aType. Returns null // if we were unable to create the reader. static MediaDecoderReader* CreateReader(const nsACString& aType, AbstractMediaDecoder* aDecoder); // Returns true if MIME type aType is supported in video documents, // or false otherwise. Not all platforms support all MIME types, and // vice versa. static bool IsSupportedInVideoDocument(const nsACString& aType); static bool IsWebMTypeAndEnabled(const nsACString& aType); static bool IsWebMAudioType(const nsACString& aType); static bool IsMP4TypeAndEnabled(const nsACString& aType, DecoderDoctorDiagnostics* aDiagnostics); }; } // namespace mozilla #endif